Description
HARKEN Zircon 29mm Trpl Block – 2189
HARKEN Zircon 29mm Trpl Block – 2189 uses Harken Zircon low-friction block technology for high-performance control systems where sensitivity and very free running are important.
- Designed for control lines where multi-part purchases are required.
- Not an all-purpose block , but ideal for precise, high-performance applications.
- Immediate response under load, perfect for quick adjustments on Cunningham or jib leads.
- Optimized for small, high-efficiency lines in dinghies, beachcats, and sportboats.
- Industrial ceramic ball bearings minimize rolling friction.
Harken Zircon 29Mm Trpl Block – 2189 Newest Zircon blocks now include six models with 29 mm sheave diameters , expanding the range to 18 models Designed for control lines where multi-part purchases are required Not an all-purpose block , but ideal for precise, high-performance applications Immediate response under load, perfect for quick adjustments on Cunningham or jib leads Optimized for small, high-efficiency lines in dinghies, beachcats, and sportboats
For best results, confirm the Harken part number and system compatibility before installation, and operate the hardware within Harken’s published line-size and load limits.
Specifications
- Manufacturer: Harken
- Part Number: 2189
- Series / Family: Zircon
- Nominal Size: 29 mm
- Bearing Type: Caged ceramic ball bearings

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